Liwei Wang¹, Jay G Slowik², Nidhi Tripathi³, Deepika Bhattu⁴, Pragati Rai¹, Varun Kumar¹, Urs Baltensperger⁵, Dilip Ganguly⁶, Lokesh Kumar Sahu³, Sachchida Nand Tripathi⁷ and Andre S Prevot², (1)Paul Scherrer Institute, Villigen, Switzerland, (2)Paul Scherrer Institute, Villingen, Switzerland, (3)Physical Research Laboratory, Space and Atmospheric Sciences Division, Ahmedabad, India, (4)Paul Scherrer Institute, Villigen PSI, Switzerland, (5)Paul Scherrer Inst, Villigen, Switzerland, (6)Indian Institute of Technology Delhi, New Delhi, India, (7)Indian Institute of Technology, Kanpur, Kanpur, India